<http://www.w3.org/2000/01/rdf-schema#label>
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DESCRIBE <http://research.tib.eu/covid-19/entity/Has%20a%20friend%20or%20relative%20or%20anyone%20else%20ever%20expressed%20concern%20about%20your%20use%20of%20prescribed%20amphetamine%20type%20stimulants:find:pt:%5Epatient:ord:nida>
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